diff options
Diffstat (limited to 'cmake/QtPostProcess.cmake')
| -rw-r--r-- | cmake/QtPostProcess.cmake | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/cmake/QtPostProcess.cmake b/cmake/QtPostProcess.cmake new file mode 100644 index 0000000000..f56eb801ea --- /dev/null +++ b/cmake/QtPostProcess.cmake @@ -0,0 +1,293 @@ +function(qt_internal_write_depends_file target) + set(module Qt${target}) + set(outfile "${QT_BUILD_DIR}/include/${module}/${module}Depends") + message("Generate ${outfile}...") + set(contents "/* This file was generated by cmake with the info from ${module} target. */\n") + string(APPEND contents "#ifdef __cplusplus /* create empty PCH in C mode */\n") + foreach (m ${ARGN}) + string(APPEND contents "# include <Qt${m}/Qt${m}>\n") + endforeach() + string(APPEND contents "#endif\n") + + file(GENERATE OUTPUT "${outfile}" CONTENT "${contents}") +endfunction() + +macro(qt_collect_third_party_deps) + # If we are doing a non-static Qt build, we only want to propagate public dependencies. + # If we are doing a static Qt build, we need to propagate all dependencies. + set(depends_var "public_depends") + if(NOT QT_BUILD_SHARED_LIBS) + set(depends_var "depends") + endif() + + foreach(dep ${${depends_var}}) + # Gather third party packages that should be found when using the Qt module. + # Also handle nolink target dependencies. + string(REGEX REPLACE "_nolink$" "" base_dep "${dep}") + if(NOT base_dep STREQUAL dep) + # Resets target name like Vulkan_nolink to Vulkan, because we need to call + # find_package(Vulkan). + set(dep ${base_dep}) + endif() + + if(TARGET ${dep}) + list(FIND third_party_deps_seen ${dep} dep_seen) + + get_target_property(package_name ${dep} INTERFACE_QT_PACKAGE_NAME) + if(dep_seen EQUAL -1 AND package_name) + list(APPEND third_party_deps_seen ${dep}) + get_target_property(package_version ${dep} INTERFACE_QT_PACKAGE_VERSION) + if(NOT package_version) + set(package_version "") + endif() + + get_target_property(package_components ${dep} INTERFACE_QT_PACKAGE_COMPONENTS) + if(NOT package_components) + set(package_components "") + endif() + + list(APPEND third_party_deps + "${package_name}\;${package_version}\;${package_components}") + endif() + endif() + endforeach() +endmacro() + +function(qt_internal_create_module_depends_file target) + get_target_property(depends "${target}" LINK_LIBRARIES) + get_target_property(public_depends "${target}" INTERFACE_LINK_LIBRARIES) + get_target_property(target_deps "${target}" _qt_target_deps) + set(target_deps_seen "") + + get_target_property(extra_depends "${target}" QT_EXTRA_PACKAGE_DEPENDENCIES) + if(NOT extra_depends STREQUAL "${extra_depends}-NOTFOUND") + list(APPEND target_deps ${extra_depends}) + endif() + + set(qtdeps "") + set(third_party_deps "") + set(third_party_deps_seen "") + set(tool_deps "") + set(tool_deps_seen "") + set(main_module_tool_deps "") + + foreach (dep ${depends}) + # Normalize module by stripping leading "Qt::" and trailing "Private" + if (dep MATCHES "Qt::(.*)") + set(dep "${CMAKE_MATCH_1}") + endif() + if (dep MATCHES "(.*)Private") + set(dep "${CMAKE_MATCH_1}") + endif() + + list(FIND QT_KNOWN_MODULES "${dep}" _pos) + if (_pos GREATER -1) + list(APPEND qtdeps "${dep}") + + # Make the ModuleTool package depend on dep's ModuleTool package. + list(FIND tool_deps_seen ${dep} dep_seen) + if(dep_seen EQUAL -1 AND ${dep} IN_LIST QT_KNOWN_MODULES_WITH_TOOLS) + list(APPEND tool_deps_seen ${dep}) + list(APPEND tool_deps + "${INSTALL_CMAKE_NAMESPACE}${dep}Tools\;${PROJECT_VERSION}") + endif() + endif() + endforeach() + + qt_collect_third_party_deps() + + # Add dependency to the main ModuleTool package to ModuleDependencies file. + if(${target} IN_LIST QT_KNOWN_MODULES_WITH_TOOLS) + set(main_module_tool_deps + "${INSTALL_CMAKE_NAMESPACE}${target}Tools\;${PROJECT_VERSION}") + endif() + + # Dirty hack because https://gitlab.kitware.com/cmake/cmake/issues/19200 + foreach(dep ${target_deps}) + if(dep) + list(FIND target_deps_seen "${dep}" dep_seen) + if(dep_seen EQUAL -1) + list(LENGTH dep len) + if(NOT (len EQUAL 2)) + message(FATAL_ERROR "List '${dep}' should look like QtFoo;version") + endif() + list(GET dep 0 dep_name) + list(GET dep 1 dep_ver) + + list(APPEND target_deps_seen "${dep_name}\;${dep_ver}") + endif() + endif() + endforeach() + set(target_deps "${target_deps_seen}") + + if (DEFINED qtdeps) + list(REMOVE_DUPLICATES qtdeps) + endif() + + get_target_property(hasModuleHeaders "${target}" MODULE_HAS_HEADERS) + if (${hasModuleHeaders}) + qt_internal_write_depends_file("${target}" ${qtdeps}) + endif() + + if(third_party_deps OR main_module_tool_deps OR target_deps) + set(path_suffix "${INSTALL_CMAKE_NAMESPACE}${target}") + qt_path_join(config_build_dir ${QT_CONFIG_BUILD_DIR} ${path_suffix}) + qt_path_join(config_install_dir ${QT_CONFIG_INSTALL_DIR} ${path_suffix}) + + # Configure and install ModuleDependencies file. + configure_file( + "${QT_CMAKE_DIR}/QtModuleDependencies.cmake.in" + "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}Dependencies.cmake" + @ONLY + ) + + qt_install(FILES + "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}Dependencies.cmake" + DESTINATION "${config_install_dir}" + COMPONENT Devel + ) + + endif() + if(tool_deps) + set(path_suffix "${INSTALL_CMAKE_NAMESPACE}${target}Tools") + qt_path_join(config_build_dir ${QT_CONFIG_BUILD_DIR} ${path_suffix}) + qt_path_join(config_install_dir ${QT_CONFIG_INSTALL_DIR} ${path_suffix}) + + # Configure and install ModuleToolDependencies file. + configure_file( + "${QT_CMAKE_DIR}/QtModuleToolsDependencies.cmake.in" + "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ToolsDependencies.cmake" + @ONLY + ) + + qt_install(FILES + "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ToolsDependencies.cmake" + DESTINATION "${config_install_dir}" + COMPONENT Devel + ) + + endif() +endfunction() + +function(qt_internal_create_plugin_depends_file target) + get_target_property(qt_module "${target}" QT_MODULE) + get_target_property(depends "${target}" LINK_LIBRARIES) + get_target_property(public_depends "${target}" INTERFACE_LINK_LIBRARIES) + get_target_property(target_deps "${target}" _qt_target_deps) + set(target_deps_seen "") + + qt_collect_third_party_deps() + + # Dirty hack because https://gitlab.kitware.com/cmake/cmake/issues/19200 + foreach(dep ${target_deps}) + if(dep) + list(FIND target_deps_seen "${dep}" dep_seen) + if(dep_seen EQUAL -1) + list(LENGTH dep len) + if(NOT (len EQUAL 2)) + message(FATAL_ERROR "List '${dep}' should look like QtFoo;version") + endif() + list(GET dep 0 dep_name) + list(GET dep 1 dep_ver) + + list(APPEND target_deps_seen "${dep_name}\;${dep_ver}") + endif() + endif() + endforeach() + set(target_deps "${target_deps_seen}") + + if(third_party_deps OR target_deps) + # Setup build and install paths + if(qt_module) + set(path_suffix "${INSTALL_CMAKE_NAMESPACE}${qt_module}") + else() + set(path_suffix "${INSTALL_CMAKE_NAMESPACE}${target}") + endif() + + qt_path_join(config_build_dir ${QT_CONFIG_BUILD_DIR} ${path_suffix}) + qt_path_join(config_install_dir ${QT_CONFIG_INSTALL_DIR} ${path_suffix}) + + # Configure and install ModuleDependencies file. + configure_file( + "${QT_CMAKE_DIR}/QtPluginDependencies.cmake.in" + "${config_build_dir}/${target}Dependencies.cmake" + @ONLY + ) + + qt_install(FILES + "${config_build_dir}/${target}Dependencies.cmake" + DESTINATION "${config_install_dir}" + COMPONENT Devel + ) + endif() +endfunction() + +# Create Depends.cmake & Depends.h files for all modules and plug-ins. +function(qt_internal_create_depends_files) + message("Generating depends files for ${QT_KNOWN_MODULES}...") + foreach (target ${QT_KNOWN_MODULES}) + qt_internal_create_module_depends_file(${target}) + endforeach() + + message("Generating depends files for ${QT_KNOWN_PLUGINS}...") + foreach (target ${QT_KNOWN_PLUGINS}) + qt_internal_create_plugin_depends_file(${target}) + endforeach() +endfunction() + +# This function creates the Qt<Module>Plugins.cmake used to list all +# the plug-in target files. +function(qt_internal_create_plugins_files) + message("Generating Plugins files for ${QT_KNOWN_MODULES}...") + foreach (QT_MODULE ${QT_KNOWN_MODULES}) + qt_path_join(config_build_dir ${QT_CONFIG_BUILD_DIR} ${INSTALL_CMAKE_NAMESPACE}${QT_MODULE}) + qt_path_join(config_install_dir ${QT_CONFIG_INSTALL_DIR} ${INSTALL_CMAKE_NAMESPACE}${QT_MODULE}) + set(QT_MODULE_PLUGIN_INCLUDES "") + + get_target_property(qt_plugins "${QT_MODULE}" QT_PLUGINS) + if(qt_plugins) + foreach (pluginTarget ${qt_plugins}) + set(QT_MODULE_PLUGIN_INCLUDES "${QT_MODULE_PLUGIN_INCLUDES}include(\"\${CMAKE_CURRENT_LIST_DIR}/${pluginTarget}Config.cmake\")\n") + endforeach() + configure_file( + "${QT_CMAKE_DIR}/QtPlugins.cmake.in" + "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${QT_MODULE}Plugins.cmake" + @ONLY + ) + qt_install(FILES + "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${QT_MODULE}Plugins.cmake" + DESTINATION "${config_install_dir}" + COMPONENT Devel + ) + endif() + endforeach() +endfunction() + +function(qt_generate_build_internals_extra_cmake_code) + if(PROJECT_NAME STREQUAL "QtBase") + qt_path_join(extra_file_path + ${QT_CONFIG_BUILD_DIR} + ${INSTALL_CMAKE_NAMESPACE}BuildInternals/QtBuildInternalsExtra.cmake) + configure_file( + "${CMAKE_CURRENT_LIST_DIR}/QtBuildInternalsExtra.cmake.in" + "${extra_file_path}" + @ONLY + ) + endif() +endfunction() + +# For every Qt module check if there any android dependencies that require +# processing. +function(qt_modules_process_android_dependencies) + foreach (target ${QT_KNOWN_MODULES}) + qt_android_dependencies(${target}) + endforeach() +endfunction() + +qt_internal_create_depends_files() +qt_generate_build_internals_extra_cmake_code() +qt_internal_create_plugins_files() + +if (ANDROID) + qt_modules_process_android_dependencies() +endif() |